The two most prevalent things that come to mind when people think of Led Zeppelin are “Stairway to Heaven” and heavy metal. “Stairway”—a musical masterpiece—has ill-conceivably defined Zeppelin’s overall sound for many. This is interesting since the band is also recognized as being the “parent” of heavy metal. “Stairway” is more folk than metal. The truth is that Led Zeppelin was just as much folk as it was rock as it was psychedelic. Despite all of the different sounds the band produced the blues was their foundation. Here are 15 songs that arguably either equal or surpass “Stairway to Heaven” for different musical reasons. (In order of year of release.):